Single manifest format (`plugin.json`) enables portable agent skills across ChatGPT, Cursor, GitHub Copilot, VS Code, and Kiro without vendor lock-in.
Summary
Write once, distribute across five major agent clients. Eliminates duplicate integration work and reduces fragmentation in the agent ecosystem.
Why it matters
Write once, distribute across five major agent clients. Eliminates duplicate integration work and reduces fragmentation in the agent ecosystem.
Implementation verdict
Replaces client-specific plugin APIs with a shared spec. Requires reading the spec and implementing `plugin.json` structure. Worth exploring now if you distribute agent extensions; spec is live and adopted by major clients.
Sources
Dev Signal
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